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CVE-2026-83504medium4.7

Windows SmartScreen Information Disclosure Vulnerability

Impact

Time-of-check time-of-use (toctou) race condition in Windows SmartScreen allows an authorized attacker to disclose information locally.

Source excerpt · microsoft

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Microsoft · Windows 11 version 23H2

Platforms: ARM64-based Systems

Version / rangeSource status
10.0.22631.0 to before 10.0.22631.7582affected
microsoft version evidence

Microsoft · Windows 11 Version 23H2

Platforms: x64-based Systems

Version / rangeSource status
10.0.22631.0 to before 10.0.22631.7582affected
microsoft version evidence

Microsoft · Windows 11 Version 24H2

Platforms: ARM64-based Systems, x64-based Systems

Version / rangeSource status
10.0.26100.0 to before 10.0.26100.9445affected
microsoft version evidence

Microsoft · Windows 11 Version 25H2

Platforms: ARM64-based Systems, x64-based Systems

Version / rangeSource status
10.0.26200.0 to before 10.0.26200.9445affected
microsoft version evidence

Microsoft · Windows 11 version 26H1

Platforms: ARM64-based Systems, x64-based Systems

Version / rangeSource status
10.0.28000.0 to before 10.0.28000.2954affected
microsoft version evidence

Original source description

Time-of-check time-of-use (toctou) race condition in Windows SmartScreen allows an authorized attacker to disclose information locally.

References